764339620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{1879}}^1$

素因数の和:1985

約数の個数: 72

約数和(自身を含む): 1793655360

約数和(自身を除く): 1029315740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1849, 1879, 1892, 2365, 3698, 3758, 4730, 7396, 7516, 9245, 9395, 9460, 18490, 18790, 20339, 20669, 36980, 37580, 40678, 41338, 80797, 81356, 82676, 101695, 103345, 161594, 203390, 206690, 323188, 403985, 406780, 413380, 807970, 888767, 1615940, 1777534, 3474271, 3555068, 4443835, 6948542, 8887670, 13897084, 17371355, 17775340, 34742710, 38216981, 69485420, 76433962, 152867924, 191084905, 382169810, 764339620]

約数ペア:

[(1, 764339620), (2, 382169810), (4, 191084905), (5, 152867924), (10, 76433962), (11, 69485420), (20, 38216981), (22, 34742710), (43, 17775340), (44, 17371355), (55, 13897084), (86, 8887670), (110, 6948542), (172, 4443835), (215, 3555068), (220, 3474271), (430, 1777534), (473, 1615940), (860, 888767), (946, 807970), (1849, 413380), (1879, 406780), (1892, 403985), (2365, 323188), (3698, 206690), (3758, 203390), (4730, 161594), (7396, 103345), (7516, 101695), (9245, 82676), (9395, 81356), (9460, 80797), (18490, 41338), (18790, 40678), (20339, 37580), (20669, 36980)]